body {
  margin: 0;
  background-color: #45b4bb;
  font-family: "雅黑" "微软雅黑";
}
.box1 {
  text-align: center;
}
.box1 .title_img {
  margin-top: 3rem;
  width: 70%;
}
.box1 .person {
  margin-top: 20px;
}
.box1 .person .weight_img {
  width: 35%;
  margin-right: 8%;
}
.box1 .person .thin_img {
  width: 31%;
}
.box1 .person .input_div {
  position: absolute;
  bottom: 90px;
  left: 50%;
  margin-left: -22.5%;
  opacity: 0.9;
  font-size: 1.2rem;
  width: 45%;
  font-weight: 700;
  height: 65px;
  color: #45b4bb;
  background-color: #ffffff;
  border-radius: 3px;
  padding-top: 10px;
}
.box1 .person .input_div .play_btn {
  margin-top: 5px;
  background-color: #167c80;
  border: 0px;
  border-radius: 3px;
  color: #ffffff;
  font-size: 1rem;
  padding-top: 3px;
  padding-bottom: 3px;
}
.box1 .person .input_div .play_btn img {
  vertical-align: middle;
}
.box2 .title_div {
  text-align: center;
  margin-top: 40px;
}
.box2 .title_div .title_word {
  font-size: 2.8rem;
  color: #ffffff;
  display: block;
}
.box2 .title_div .title_word span {
  color: #fcff00;
}
.box2 .input_div {
  width: 62%;
  margin: auto;
  margin-top: 40px;
  display: black;
}
.box2 .input_div .inp_rols {
  color: #ffffff;
  font-size: 1.5rem;
  margin-top: 15px;
}
.box2 .input_div .inp_rols label {
  line-height: 30px;
}
.box2 .input_div .inp_rols .inp_val {
  border-style: solid;
  border-width: 3px;
  border-color: #00919a;
  width: 30%;
  height: 30px;
  vertical-align: middle;
  border-radius: 3px;
}
.box2 .radio_div {
  width: 83%;
  margin: auto;
  margin-top: 40px;
}
.box2 .radio_div label {
  font-size: 1.3rem;
  color: #ffffff;
}
.box2 .radio_div input[type='radio'] {
  width: 6%;
}
.box2 .radio_div .word {
  width: 100%;
  font-size: 0.7rem;
  color: #ffffff;
}
.box2 .btn_div {
  width: 30%;
  margin: auto;
  margin-top: 30px;
}
.box2 .btn_div .confirm_btn {
  width: 100%;
  height: 40px;
  margin: auto;
  border: 0;
  background-color: #ffffff;
  color: #00919a;
  font-size: 1.5rem;
  font-weight: 700;
  border-radius: 3px;
}
.box3 .title {
  margin-top: 50px;
  display: inline-block;
  width: 30%;
  font-size: 2rem;
  font-weight: 700;
  color: #ffffff;
  margin-left: 15%;
  vertical-align: text-bottom;
}
.box3 .title p {
  margin: 0;
}
.box3 .bmi_div {
  display: inline-block;
  margin-top: 20px;
  width: 40%;
  height: 80px;
}
.box3 .bmi_div img {
  width: 80%;
}
.box3 .bmi_div .result_lab {
  position: absolute;
  margin-left: -30%;
  font-size: 2.5rem;
  margin-top: 10px;
  color: #00919a;
}
.box3 .desc {
  width: 80%;
  margin: auto;
}
.box3 .desc p {
  font-size: 1.1rem;
  color: #ffffff;
  font-weight: 700;
}
.box3 .cut {
  width: 80%;
}
.box3 .icon_div {
  width: 80%;
  margin: auto;
}
.box3 .icon_div .title_div {
  text-align: center;
  color: #ffffff;
  margin-top: 10px;
}
.box3 .icon_div .img_div {
  margin-top: 10px;
  text-align: center;
  display: inline-block;
  width: 23%;
  color: #ffffff;
  font-size: 1rem;
}
.box3 .icon_div .img_div img {
  width: 100%;
}
.box3 .icon_div .bottom_div {
  color: #ffffff;
  margin-top: 10px;
  text-align: center;
}
.box3 .btn_div {
  text-align: center;
  margin-top: 10px;
}
.box3 .btn_div button {
  height: 30px;
  border-style: solid;
  border-width: 3px;
  background-color: #ffffff;
  border-color: #00919a;
  color: #00919a;
  border-radius: 4px;
  margin-top: 5px;
  padding: 5px 5% 5px 5%;
}
.box4 .first {
  margin-left: 20%;
  width: 70%;
  color: #ffffff;
  font-size: 1.5rem;
}
.box4 .first img {
  width: 40%;
}
.box4 .sec {
  width: 70%;
  margin: auto;
  color: #ffffff;
  font-size: 1.5rem;
  margin-top: 20px;
}
.box4 .sec img {
  width: 20%;
  vertical-align: text-top;
}
.box4 .word_img {
  width: 80%;
  margin: auto;
  margin-top: 20px;
}
.box4 .word_img img {
  width: 100%;
}
.box4 .btn_div {
  text-align: center;
}
.box4 .btn_div .lejie {
  width: 30%;
  border-style: solid;
  border-color: #ffffff;
  background-color: #45b4bb;
  color: #ffffff;
  border-radius: 3px;
  font-size: 1.5rem;
  border-width: 3px;
  padding-top: 5px;
  padding-bottom: 5px;
}
.box4 .logo {
  width: 90%;
  margin: auto;
  margin-top: 30px;
}
